void BackendManager::Sync(BackendType type, void *address, size_t length) {
switch (type) {
case BackendType::MM: {
// Nothing to do here
} break;
case BackendType::NVM: {
// flush writes to NVM
Func_flush(address, length);
Func_drain();
clflush_count++;
} break;
case BackendType::SSD:
case BackendType::HDD: {
// sync the mmap'ed file to SSD or HDD
int status = msync(data_file_address, data_file_len, MS_SYNC);
if (status != 0) {
perror("msync");
exit(EXIT_FAILURE);
}
msync_count++;
} break;
case BackendType::INVALID:
default: {
// Nothing to do here
} break;
}
}
/*
* pmem_flush -- flush processor cache for the given range
*/
void
pmem_flush(void *addr, size_t len)
{
LOG(10, "addr %p len %zu", addr, len);
VALGRIND_DO_CHECK_MEM_IS_ADDRESSABLE(addr, len);
Func_flush(addr, len);
}
